Wash-boiler



(No Model.)

M. P: D. o. DANNMBYER.

WASH BOILER.

Patented Nov. 3, 1885.

UNITED STATES PATENT OFFICE.

MARTIN F. D. C. DANNMEYER, OF SAN FRANOISCO, CALIFORNIA.

WASH-BOILER.

ZSPECI-ICATTON fo'ming part of Letters Patent No. 329,628, datedNovember-3, 1885. V

(No model.)

To all whom it may concern:

Be it known that I, MARTIN F. D. C. DANN- MEYER, of the city and countyof San Francisco, State of California, have invented an Improvement inWVash-Boilers; and I hereby declare the following to be a full, clear,and eXact description of the sane.

My nvention relates to certain improvements in wash boilers or devicesin which clothes are cleansed by the operation of a continuous stream ofhot water; and it consists of an outer inclosing case or boiler and aninteror diaphragm formed with double walls and top, with a filling ofnon-conducting material, this diaphragm resting upon the bottom of theoutside boiler, and having a space beneath it and passages by which thewater may pass from above into this space, with directingplates andupwardly-extending pipes whereby the circulation is maintained, all ofwhich will.

be more fully explained by reference to the accompanying drawings, inwhich- Figure l is a view of one form of my device. Fig. 2 is aperspective view. Fig. 3 shows the arrangement for two water pipes orpassages.

A is an exterior boiler or shell, of any suitable or desired size, Whichis fitted to receive water and clothing and to rest upon the stove, orto have an independent heater, as may be best suited for the work to bedone.

B is a device which is fitted to rest upon the bottom of the boiler. Thetop and walls of this device are made double,and afillingofnon-conducting material is placed in the spaces thus formed, so thatlittle or no heat passes directly through the top and walls of thisdevice. It is made alittlesmaller in every direction than the interordiameter of the boiler, and the sides eX- tend downward, so that a spaceis left between the bottom of the boiler and the top of this device.Either the sides, as shown in Fig. 1, or the ends, as shown in Fig. 2,are continued down, so as to rest upon the bottom of the boiler, whilethe intermediate portion forms spaces, as shown at O, through which thewater coming down around the sides ofthis device may pass freely intothe spaces beneath it.

D D are horizontal plates, which extend a short distance inward towardthe center from the ends in Fig. 1, or from the sides, as in Fig.

2, and these serve to give direction to the inflowing current of water,so that it passes directly towardthe center over the bottom of theboiler. Through the center or ends of the top, large openings are made,and pipes E eX- tend upward to a point near the top kof the boiler. InFig. 1 I have shown a single pipe which extends upward from the center,and it has a deflecting-plate, F, supported above its top, so that thewater passing out through the top of the pipe strikes this deflector,and is by it thrown outward in every direction to- Ward the sides of theboiler. In Fig. 2 I have shown two of these pipes, the upper ends ofwhich may be curved or have defiectors for a similar purpose. Theebullition of the water beneath the device B causes the hotter portionof the water and steam to pass upward through the pipes E and bedischarged in a Constant stream over the top of the clothes. Thisproduces a certain vacuum in this chamber below, and the result is thatthe water is forced downward through the clothes by atmosphericpressure, passing around the sides, and thence beneath through the openspaces O. In some cases doors or flaps H are hinged so as to fall downover the spaces O and close them against any outward flow of water fromthe chamber beneath. The hinges are so arranged that the doors willeasily open inwardly to admit the water. The horizontal plates D justabove these spaces serve to direct this current along the bottom of theboiler and prevent its intermingling or interfering with the water whichis in the upper part of the chamber, thus causing a smooth and rapidflow of water all the time. By reason of the non-conducting materialforming the top and sides of this device little or no heat passesdirectly up into the body of water which fills the boiler above thischamber, and consequently the heat is confined in the chamber of thedevice B, thus causing a powerful current to be discharged upwardthrough the .pipes, and an equally strong downward current through theclothes, which are thus very effectually cleaned.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. In a wash-boiler, a removable Chamber IOO fitted to the lower part ofthe boiler, and having double walls and sides, With a filling'of non'CondnCting material, substantially as herein described.

2. In a Wash-boiler, a Chamber having its top and Walls madenon-conducting, with the sides or ends extending downward so as to restupon the bottom of the boiler, with intermediate spaces opening from theexterior of the Chamber beneath, in combination With verti- Cal pipes orpassages extending upward from said Chamber to the top of the boiler,substantially as `herein described,

3. A Wash-boiler having a Chamber of smaller dimensions fitted to restupon the bottom so as to form an inClosed space beneath, the walls andtop of said Chamber being filled'with a' material which is anoncond1etor of heat, and pipes OP Passages extending upward from thisSaid Chamber to the top of the boiler, in combination with defleetere bywhich the water is distributed from the. Heper end of the pipessubstantially as herein deseribed.. i

4,- A. wash-beile? .having within it. a ehamber of smaller dianeter, thesides orI ends of 25 which rest upon the bottom of the boiler so as toform an inclosed space beneath, thev top and sides being madelnon-Conducting, as shown, and pipes or passages extending upward fromthe inclosed Chamber to the top of the boiler, in combination Withhorizontal guides or plates extending inwardly above the passages Whichlead to the Chamber, substantially as he'ein described.

5. A was'hboi1er having within it a Chamber of smaller diameter, thesides or ends of whiCh rest upon the bottom of the boiler so as to forman'inClosed space beneath, and upwardly-extending pipes or passages fromsaid Chamber, in combination with the inwardly- 'opening doors orva'lves H, substantially as 'herein de'sCribed.

In Witness whereof I have herennto set myv hand.

MARTIN F. D. 0. DANNMEYER. Witnesses:

S. H. NoURsE,

H. O. LEE.

